Does it need a lot of water?

Yes, it thrives in consistently moist to wet soil.

Can I grow it in full sun?

It prefers partial shade but will tolerate full sun if the soil stays very moist.

Plant guide

Cuckooflower.

Cardamine pratensis

Pronounced kar-DA-mi-nee pra-TEN-sis

Also known as Cuckoo Flower, Cuckooflower, European field bittercress, Mayflower, Milk-Maids

The cuckooflower is a lovely perennial that thrives in damp meadows and woodland edges. It produces delicate clusters of pale pink or white flowers in the spring. You will often see it blooming when the cuckoo bird returns to the countryside.

At a glance

Care level: Easy
Plant type: Perennial herb
Light: Partial shade to full sun
Indoor light: Bright indirect
Water: Every 3 to 7 days
Mature size: 15 to 45 centimeters
Growth rate: Medium
Hardiness: USDA 3 to 8
Bloom time: Mid to late spring

Care

Keep the soil consistently moist to mimic its natural damp meadow habitat. Watch for wilting leaves which signal the plant is drying out too much. It prefers cooler temperatures and will naturally go dormant after flowering.

Watering: Keep the soil damp but not waterlogged at all times.
Feeding: Apply a balanced liquid fertilizer sparingly during the active growing season.
Pruning: Trim back faded flower stalks to keep the plant tidy.
Repotting: Refresh the soil every year or two to ensure it stays nutrient rich.
Soil: Moist, rich, well-draining soil
Soil pH: Neutral to slightly acidic
Temperature: -40 to 25°C
Humidity: 50 to 80%
Drought tolerance: Low
Lifespan: Perennial, typically 3 to 5 years.
Deer and rabbits: Moderate

Signs it needs repotting

Roots growing out of the drainage holes
Water running straight through the pot

Safety

People: The plant is generally considered non toxic but should be consumed in moderation due to potential mustard oil content.
Children: The plant is not considered dangerous, but small children should always be supervised when exploring garden plants.
Edibility: While the leaves are edible, they can be bitter and should be harvested before the plant flowers.

How to identify it

Four delicate pale pink petals
Compound leaves with small leaflets
Slender stems reaching upward
Grows in moist grassy areas

Height: 0.2 to 0.5m
Spread: 0.15 to 0.3m
Leaves: green, deciduous
Flowers: white, pale pink, lilac, 1 to 2cm
Fruit: green, brown, Summer

Problems to watch for

AphidsCommon
Slugs and SnailsCommon
Downy MildewUncommon
Flea BeetlesUncommon
Root RotUncommon
White RustUncommon

By symptom

Plant problems by symptom

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Growing it

Propagation: seed, cuttings, division
When to plant: spring, autumn
Overwintering: The plant dies back to a basal rosette in winter. Simply clear away dead debris in early spring to allow new growth to emerge.
In containers: It grows well in containers if kept in a consistently moist, boggy potting mix.

Seed

1. Collect seeds in late summer once pods turn brown.
2. Sow immediately in moist soil.
3. Keep the soil consistently damp until germination.

Leaf Cuttings

1. Place a healthy leaf flat on moist soil.
2. Ensure the leaf makes good contact with the surface.
3. Keep in a humid, shaded spot until plantlets form.

Group this plant with other moisture loving species to create a thriving bog garden ecosystem.

Grows well with

Marsh Marigold · They share similar requirements for wet, boggy soil conditions.
Forget Me Not · They provide a lovely color contrast in damp garden areas.

Similar species

Bittercress · It is a related species that often appears as a weed in similar environments.

Science

Family: Brassicaceae
Genus: Cardamine
Order: Brassicales
Class: Magnoliopsida
Native range: Temperate regions of Europe and Western Asia.
Conservation: It is not currently threatened, but it is declining in some areas due to the drainage of wet meadows.

It thrives in damp meadows and along stream banks where it can easily spread via its root system.

Value to wildlife: nectar source, larval host plant
Pollinators: bees, butterflies
Uses: groundcover, wildflower meadow, edible garnish

Through the year

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Flowering

Fruiting

Foliage

Ecological indicators

Salinity: 1/9
Soil reaction: 6/9
Light: 5/9
Temperature: 4/9
Moisture: 8/9
Nutrients: 5/9

Taxonomy resolved against GBIF.

Questions people ask

Does it need a lot of water?: Yes, it thrives in consistently moist to wet soil.
Can I grow it in full sun?: It prefers partial shade but will tolerate full sun if the soil stays very moist.

Where the name comes from

The name Cardamine comes from the Greek word for cress, while pratensis means of the meadows.

Good to know

It is commonly known as cuckoo flower because it blooms when the cuckoo bird returns.
The leaves are rich in vitamin C.
It can reproduce vegetatively when leaves touch the ground.

Keep your cuckooflower growing

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This guide was generated with AI on September 26, 2026 and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.